Table 2 Accuracy of estimates corresponding to three criteria
From: Improvements for electromechanical oscillation mode estimation via subspace identification methods
Mode | Reference value | AIC BIC | SVC | |||
|---|---|---|---|---|---|---|
Uncertainty | RMSE | Uncertainty | RMSE | |||
Local mode 1 | Freq (Hz) | 1.056 | 0.962 ± 0.021 | 0.094 | 0.992 ± 0.020 | 0.065 |
DR (%) | 19.87 | 18.86 ± 3.88 | 2.18 | 18.87 ± 3.68 | 2.13 | |
Local mode 2 | Freq (Hz) | 1.071 | 0.964 ± 0.021 | 0.108 | 0.999 ± 0.020 | 0.073 |
DR (%) | 19.57 | 18.13 ± 4.16 | 2.41 | 18.39 ± 4.12 | 2.26 | |
Inter-area | Freq (Hz) | 0.565 | 0.589 ± 0.018 | 0.025 | 0.567 ± 0.018 | 0.009 |
DR (%) | 10.28 | 11.51 ± 3.04 | 2.16 | 11.07 ± 3.02 | 1.94 | |